Bump golang from 1.18.1 to 1.18.2

Bumps golang from 1.18.1 to 1.18.2.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Dockerfile

@@ -15,7 +15,7 @@
 # Initialized TARGETPLATFORM with default value
 ARG TARGETPLATFORM=linux/amd64
 
-FROM golang:1.18.1 AS builder
+FROM golang:1.18.2 AS builder
 ARG TARGETPLATFORM
 WORKDIR /go/src/sigs.k8s.io/ibm-powervs-block-csi-driver
 ADD . .